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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1171

post #11701 of 38701
Quote:
Originally Posted by SonDa5 View Post

MCW82-7900 has been installed on my Sapphire HD7950 950mhz Edition.

23C ambient temps.

Using Sapphire TRIXX to adjust clocks and voltage.

Just a quick 10 minute test at 1200/1575
VDDC set to 1.131v
Board Power Li at 20

Click image for high resolution.
SwiftechMCW82-79001200mhzresults.jpg

Them some high VRM temps still
Beast of Burden
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CPUMotherboardGraphicsRAM
i7 3770k Gigabyte Z77X-UD5H Gigabyte HD 7970 Reference Ripjaws Z 
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Beast of Burden
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Cool story, bro!
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CPUMotherboardGraphicsRAM
i7 3770k Gigabyte Z77X-UD5H Gigabyte HD 7970 Reference Ripjaws Z 
Hard DriveHard DriveOptical DriveCooling
Crucial M4 Caviar Black ASUS DVD XSPC Raystorm 
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EK FC-7970 w/ Backplate Copper/Acetal RX360 w/ 3x Yate Loon High Speed in Push XSPC Dual Bay Res w/ D5 Pump Windows 7 
MonitorMonitorKeyboardPower
ASUS VE226H ASUS VE226H Cooler Master Quickfire Rapid Corsair HX850 
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Q9550@ 3.5GHz w/ 1.191v Gigabyte GA-EP45-UD3P Sapphire Reference 5850 @ 775/1100 G.SKILL 4GB (2 x 2GB) DDR2 1066 
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post #11702 of 38701
Quote:
Originally Posted by tsm106 View Post

It might be a chil reading problem? The fc7970 is proven to keep vrms under 50c with a temp gun measuring the vrms.

mmm, maybe. My other card as stated is fine, just the sapphire one. I did take out and refit block once too just to make sure it was not an error on my behalf and had same results.

In games the temps are very low, similar to your temps and the temps of my HIS card. Just in furmark and OCCT. Not too bothered anyway, in gaming it is fine and the card can do over 1300 on the core so not holding it back or anything.
post #11703 of 38701
mark11P10145.png
Sapphire 7970 O.C.
I'm at my limit with the core and using 1.25v, I think I can bring the memory up a little bit more though, not sure whats up with OCCT but if I try and check a gpu o.c. with it the PC shuts down like it lost power.
No problem with Furmark or anything else, as far as benchmarks and games.
Also my 2500k is being a pain with the new mobo bios and I can't seem to get anything over 4.6Ghz I had to roll back the bios to o.c. for this run. I don't have Mark11 so I can't to extreme.
Edited by JieMan - 6/8/12 at 5:17am
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post #11704 of 38701
Quote:
Originally Posted by SonDa5 View Post

MCW82-7900 has been installed on my Sapphire HD7950 950mhz Edition.
23C ambient temps.
Using Sapphire TRIXX to adjust clocks and voltage.
Just a quick 10 minute test at 1200/1575
VDDC set to 1.131v
Board Power Li at 20
Click image for high resolution.
SwiftechMCW82-79001200mhzresults.jpg

mmm I see your card is a sapphire too.
post #11705 of 38701
Quote:
Originally Posted by Andrazh View Post

Little black squares are a sign of core clock being to high? Can't get to 1170 with this 7950.
And sometimes the screen goes into gray vertical lines, what is that?
Ty

anyone?
post #11706 of 38701
Quote:
Originally Posted by Andrazh View Post

anyone?

Could be driver issue. Do you get same when at stock?
post #11707 of 38701
Quote:
Originally Posted by DaClownie View Post

Them some high VRM temps still

GPU core temps are good though.

The VRM temps did come down about 15C. That is 30C below max rated operating temperature. My card isn't going to blow up. I am still going to try my vrm water block mod to see if it helps lower VRM temps. Hopefully the VRMs will get cooler with the block.



Here is my card with the Swiftech MCW82-7900 in place.



Day1MCW82.jpg
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B.K.T.
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post #11708 of 38701
Quote:
Originally Posted by JieMan View Post

mark11P10145.png
Sapphire 7970 O.C.
I'm at my limit with the core and using 1.25v, I think I can bring the memory up a little bit more though, not sure whats up with OCCT but if I try and check a gpu o.c. with it the PC shuts down like it lost power.
No problem with Furmark or anything else, as far as benchmarks and games.
Also my 2500k is being a pain with the new mobo bios and I can't seem to get anything over 4.6Ghz I had to roll back the bios to o.c. for this run. I don't have Mark11 so I can't to extreme.

Can you try OCCT with power limit to 0 instead of +20% ?
Could be that this is causing the PC to shut down... Worth a shot and then you know you are really stable wink.gif
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Intel i5 2500k @ 4,5GHz, 1.33v Asus P8Z68-V Pro Gen3 Sapphire HD7950 OC Edition @ 1130 / 1550, 1.150v 8GB Corsair CML8GX3M2A1600C9 @ DDR3-1600, 9-9-9... 
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post #11709 of 38701
Quote:
Originally Posted by SonDa5 View Post

GPU core temps are good though.
The VRM temps did come down about 15C. That is 30C below max rated operating temperature. My card isn't going to blow up. I am still going to try my vrm water block mod to see if it helps lower VRM temps. Hopefully the VRMs will get cooler with the block.
Here is my card with the Swiftech MCW82-7900 in place.
Day1MCW82.jpg

I'd slap a FC block on that bad boy and call it a day...
post #11710 of 38701
Quote:
Originally Posted by Newbie2009 View Post

Could be driver issue. Do you get same when at stock?

No only when OC. Did i hit the wall?
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